As part of our expanding BMW product range, AIRTEC Motorsport is proud to launch our oil filter housing cap for BMW N20/N52/N54/N55/S55.


Developed in-house at AIRTEC HQ in the UK, we’ve created a comprehensive solution to replacing the OEM oil filter housing cap that’s originally made in plastic and is known to become brittle and fail over time. It also improves aesthetics within the engine bay and is easier to remove and replace, as it doesn’t require the special BMW tool the original does.


Machined from billet aluminium, the cap features intricate detailing and an engraved AIRTEC Motorsport logo and wording, with a high quality anodised grey finish.


Easy to fit, the cap is a direct replacement for the original and uses the original O-ring, filter cage and filter.


Replaces BMW part number: 11427525334


Will fit the following – please check if in doubt:

• N54 engines (135i/335i/535i/Z4)

• N55 engines (135i/M135i/M235i/335i/435i/535i/M2/Z4)

• S55 engines (M2/M3/M4)

• N51 & N52 engines (125i/128i/130i/323i/325i/330i/523i/525i/528i/530i/630i/730i/Z4)

• N20 & N26 engines (125i/220i/228i/320i/328i/420i/428i/520i/525i/Z4)



AIRTEC Part No: ATMSBMW3

Shipping- 

We ship WORLDWIDE! We offer a FREE postage service for UK mainland customers.

Scottish Highlands and Overseas customers should contact us for a shipping quote. 
OVERSEAS BUYERS ARE LIABLE FOR ANY IMPORT TAX OR CHARGES

We can provide you with Text message or email updates of your parcels progress, all items are tracked and numbers can be provided to you, giving peace of mind. 
We use only the most efficient couriers, ensuring you have the smoothest shopping experience possible!

Overseas mail order- We ship worldwide! Typical shipping time is 3-7 working days. 

We do urge you to contact our helpful sales team for an accurate shipping quote prior to buying.

Returns- 

We offer a 30 day warranty on all parts supplied by ND-Tuning. We insist that any fitment of parts be undertaken by a professional! Failure to do so will invalidate any warranty offered. We have a dedicated customer service team that will happily assist you in the rare event of a fault with any supplied part. We will refund any faulty item in full, but the buyer must cover the return shipping and we with refund in full plus the return shipping once we have inspected the item. 

ND-Tuning accept no liability for any incorrectly fitted parts.